@yan350102: Manual cylinder honing creates crosshatch patterns and micro grooves inside the cylinder wall, helping retain engine oil, reduce friction between the piston and cylinder wall, and form a stable oil film. ACME specializes in supplying professional automotive repair tools. --------- Proses honing silinder secara manual menghasilkan corak silang dan alur mikro pada dinding silinder, membantu menyimpan minyak enjin, mengurangkan geseran antara omboh dan dinding silinder, serta membentuk lapisan minyak yang stabil. ACME pakar dalam membekalkan peralatan pembaikan automotif profesional.